DESCRIPTION
This DTC is output when an open circuit in the transfer shift motor drive circuit is detected.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
P17A8 |
Transfer Shift Motor Control Circuit Circuit Open |
|
|
WIRING DIAGRAM
Refer to DTC P17A9 (See page ).
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (4 WHEEL DRIVE CONTROL ECU - TRANSFER SHIFT ACTUATOR ASSEMBLY) |
(a) Disconnect the F12 4 wheel drive control ECU connector.
(b) Disconnect the T4 transfer shift actuator assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F12-8 (TM1) - T4-2 (TM1) |
Always |
Below 1 Ω |
F12-7 (TM2) - T4-1 (TM2) |
Always |
Below 1 Ω |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
INSPECT TRANSFER SHIFT ACTUATOR ASSEMBLY (TRANSFER SHIFT MOTOR) |
(a) Disconnect the T4 transfer shift actuator assembly connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
2 (TM1) - 1 (TM2) |
Always |
1.5 to 10 Ω |
*a |
Component without harness connected (Transfer Shift Actuator Assembly) |
OK |
REPLACE 4 WHEEL DRIVE CONTROL ECU |
NG |
REPLACE TRANSFER SHIFT ACTUATOR ASSEMBLY |
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK ENGINE SWITCH
(a) Measure the resistance and voltage according to the value(s) in the table
below.
Terminal No. (Symbol)
Input/Output
Wiring Color
Terminal Description
Condition
Specified Condition
...
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Initialization
INITIALIZATION
1. INITIALIZE POWER WINDOW CONTROL SYSTEM
NOTICE:
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